Quoting Chris Wilson (2017-08-30 13:56:40)
> No. It's just your regular combinatorial explosion. The approach I would
> take here would be to register a sysenter callback that attempted to do a
> rpm suspend (i.e. so ~every ioctl would start from idle, and controlled
> via the faultinjection framework) and then run the minimal test set that
> exercises all ioctl paths, and then expand to all driver branches.

The simpler option is to apply the faultinjection to the rpm_put.
-Chris
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